’’AUTO 1’’ and ‘‘AUTO 2’’ Control Switches.

‘‘AUTO 1’’ and ‘‘AUTO 2’’ control switches, located on control panel assembly, are touch-type switches and require only pressing to activate. These switches are used to operate freeze cylinders beaters and refrigeration system after cylinders have been filled with product. Freeze cylinders beaters and refrigeration system may be stopped by pressing ‘‘OFF 1’’ or ‘‘OFF 2’’ switches.

‘‘OFF 1’’ and ‘‘OFF 2’’ Control Switches.

‘‘OFF 1’’ and ‘‘OFF 2’’ control switches, located on control panel, are touch-type switches and require only pressing to activate. These switches are used to stop freeze cylinders beaters and refrigeration system.

‘‘ERROR RESET’’ Control Switch.

‘‘ERROR RESET’’ control switch, located on control panel assembly, is a touch-type switch and requires only pressing to activate. ‘‘ERROR RESET’’ switch is used to restore normal operation after error within Unit (indicated by ‘‘ERROR 1’’ or ‘‘ERROR 2’’ on message display) has been corrected.

‘‘SECURITY SWITCH.’’

The Unit is equipped with a hidden ‘‘SECURITY SWITCH’’ located between ‘‘FILL 1’’ switch and ‘‘ERROR RESET’’ switch on the control panel assembly. Pressing in and holding the ‘‘SECURITY SWITCH’’ for 3 seconds deactivates the control switches preventing tampering with Unit normal operation. To reactivate control switches, press in and hold ‘‘SECURITY SWITCH’’ for 3 seconds.

CONTROL PANEL ASSEMBLY DISPLAY MESSAGES

(see Figure 3)

‘‘FILL 1’’ and ‘‘FILL 2’’ Fault Messages.

‘‘FILL 1’’ and ‘‘FILL 2’’ fault messages will appear on message display only when ‘‘FILL 1’’ and ‘‘FILL 2’’ control switches have been pressed and syrup systems sold-out floats have been filled with product. ‘‘FILL 1’’ and ‘‘FILL 2’’ fault messages will continue to be displayed until ‘‘AUTO BLEND 1’’ or ‘‘AUTO BLEND 2’’ control switches have been pressed to fill product blender tanks with product.

‘‘ERROR 1’’ and ‘‘ERROR 2’’ Fault Messages.

‘‘ERROR 1’’ and ‘‘ERROR 2’’ fault messages will appear on message display only if error within Unit has developed interrupting normal operation. Error will have to be located and corrected, then press ‘‘ERROR RESET’’ to restore normal operation. ‘‘ERROR 1’’ or ‘‘ERROR 2’’ fault message will disappear from display.

‘‘OFF 1’’ and ‘‘OFF 2’’ Fault Messages.

‘‘OFF 1’’ and ‘‘OFF 2’’ fault messages will appear on message display when either freeze cylinder beater is not operating.

‘‘H2O OUT’’ Fault Message.

The Unit plain water inlet system contains a water pressure switch. Should the plain water source to the Unit be disrupted or a water pressure drop occur, it will cause ‘‘H2O OUT’’ fault message to appear on message display. Unit will continue to operate for 1-1/2 minutes after ‘‘H2O OUT’’ fault message has appeared and if water pressure has not been restored or water pressure improved after 1-1/2 minutes, Unit operation will shut down. After plain water source has been restored or water pressure has improved, Unit will resume operation and ‘‘H2O OUT’’ fault message will disappear from message display.

312028000

28

Page 35
Image 35
Cornelius R-404A REFRIGERANT service manual Control Panel Assembly Display Messages, ‘‘Security Switch.’’